/**************************************************************************************** MODULE:		Sub Level Accumulator Block FILE NAME:	acc.v VERSION:	1.0 DATE:		September 28th, 2001 AUTHOR:		Hossein Amidi COMPANY:	California Unique Electrical Co. CODE TYPE:	Register Transfer Level Instantiations:  DESCRIPTION: Sub Level RTL Accumulator block, with zero & negetive flags Hossein Amidi (C) September 2001 California Unique Electric***************************************************************************************/ `timescale 1ns / 1psmodule	 ACC(	// Input					clock,					reset,					ACCInEn,					ACCDataIn,					// Output					ACCNeg,					ACCZero,					ACCDataOut					);// Parameterparameter DataWidth = 32;// Inputinput  clock;input  reset;input	 ACCInEn;input  [DataWidth - 1 : 0] ACCDataIn;// Outputoutput  ACCNeg;output  ACCZero;output [DataWidth - 1 : 0] ACCDataOut;// Signal Declerationsreg [DataWidth - 1 : 0]rACCDataOut;// Assignmentsassign ACCDataOut = rACCDataOut;assign ACCNeg = rACCDataOut[31]; assign ACCZero = ~((((((((((((((((ACCDataOut[0]  | ACCDataOut[1])   |										 (ACCDataOut[2]  | ACCDataOut[3]))  |										 (ACCDataOut[4]  | ACCDataOut[5]))  |								 		 (ACCDataOut[6]  | ACCDataOut[7]))  |								 		 (ACCDataOut[8]  | ACCDataOut[9]))  |								 		 (ACCDataOut[10] | ACCDataOut[11])) |								 		 (ACCDataOut[12] | ACCDataOut[13])) |								 		 (ACCDataOut[14] | ACCDataOut[15])) |										 (ACCDataOut[16] | ACCDataOut[17])) |										 (ACCDataOut[18] | ACCDataOut[19])) |										 (ACCDataOut[20] | ACCDataOut[21])) |										 (ACCDataOut[22] | ACCDataOut[23])) |										 (ACCDataOut[24] | ACCDataOut[25])) |										 (ACCDataOut[26] | ACCDataOut[27])) |										 (ACCDataOut[28] | ACCDataOut[29])) |										 (ACCDataOut[30] | ACCDataOut[31])) ;always @(posedge reset or negedge clock)begin	if(reset == 1'b1)		rACCDataOut <= 32'h0000;	else	if(ACCInEn == 1'b1)		rACCDataOut <= ACCDataIn;	else		rACCDataOut <= rACCDataOut;endendmodule